Home / 746,656.40-1,120,130.40-297,300.80

Finding the Fourth Proportional to 746,656.40, 1,120,130.40 and 297,300.80

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Solution

The fourth proportional to 746,656.40, 1,120,130.40 and 297,300.80 is: 446,009.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,656.40 : 1,120,130.40 = 297,300.80 : x
  2. Step 2: Convert to fraction form
    746,656.40/1,120,130.40 = 297,300.80/x
  3. Step 3: Cross multiply
    746,656.40x = 1,120,130.40 × 297,300.80
  4. Step 4: Simplify right side
    746,656.40x = 333,015,664,024.32
  5. Step 5: Solve for x
    x = 333,015,664,024.32/746,656.40
  6. Step 6: Final answer
    x = 446,009.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.